6228270728189 has 2 divisors, whose sum is σ = 6228270728190. Its totient is φ = 6228270728188.

The previous prime is 6228270728161. The next prime is 6228270728257. The reversal of 6228270728189 is 9818270728226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4815904863289 + 1412365864900 = 2194517^2 + 1188430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6228270728189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6228270722189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114135364094 + 3114135364095.

It is an arithmetic number, because the mean of its divisors is an integer number (3114135364095).

Almost surely, 2^{6228270728189} is an apocalyptic number.

It is an amenable number.

6228270728189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6228270728189 is an equidigital number, since it uses as much as digits as its factorization.

6228270728189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21676032, while the sum is 62.

The spelling of 6228270728189 in words is "six trillion, two hundred twenty-eight billion, two hundred seventy million, seven hundred twenty-eight thousand, one hundred eighty-nine".